package com.zzyl.nursing.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DatePattern;
import cn.hutool.core.date.LocalDateTimeUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.huaweicloud.sdk.iotda.v5.IoTDAClient;
import com.huaweicloud.sdk.iotda.v5.model.*;
import com.zzyl.common.constant.CacheConstants;
import com.zzyl.common.core.domain.AjaxResult;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.common.utils.uuid.UUID;
import com.zzyl.nursing.domain.Device;
import com.zzyl.nursing.dto.DeviceDto;
import com.zzyl.nursing.mapper.DeviceMapper;
import com.zzyl.nursing.service.IDeviceService;
import com.zzyl.nursing.vo.DeviceDetailVo;
import com.zzyl.nursing.vo.ProductVo;
import lombok.extern.slf4j.Slf4j;
import net.bytebuddy.implementation.bytecode.Throw;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.util.*;

/**
 * 设备Service业务层处理
 *
 * @author ruoyi
 * @date 2025-01-14
 */
@Service
@Slf4j
public class DeviceServiceImpl extends ServiceImpl<DeviceMapper, Device> implements IDeviceService {

    @Autowired
    private DeviceMapper deviceMapper;
    @Autowired
    private RedisTemplate<String,String> redisTemplate;

    @Autowired
    private IoTDAClient client;
    /**
     * 查询设备列表
     *
     * @param device 设备
     * @return 设备集合
     */
    @Override
    public List<Device> selectDeviceList(Device device) {
        return deviceMapper.selectDeviceList(device);
    }

    @Override
    public void syncProductList() {
        //请求参数
        ListProductsRequest listProductsRequest=new ListProductsRequest();
        //设置条数
        listProductsRequest.setLimit(50);
        //发起请求
        ListProductsResponse response=client.listProducts(listProductsRequest);
        if(response.getHttpStatusCode()!=200){
            throw new BaseException("物联网接口 - 查询产品，同步失败");
        }
        //存储到redis
        redisTemplate.opsForValue().set(CacheConstants.IOT_ALL_PRODUCT_LIST,JSONUtil.toJsonStr(response.getProducts()));
    }

    /**
     * 查询所有产品列表
     *
     * @return
     */
    @Override
    public List<ProductVo> allProduct(){
        //从redis中查询数据
        String jsonStr=redisTemplate.opsForValue().get(CacheConstants.IOT_ALL_PRODUCT_LIST);
        //如果数据为空，则返回一个空集合
        if(StringUtils.isEmpty(jsonStr)){
            return Collections.emptyList();
        }
        //解析数据，并返回
        return JSONUtil.toList(jsonStr,ProductVo.class);
    }

    /**
     * 注册设备
     * @param deviceDto
     */
    @Override
    public void registerDevice(DeviceDto deviceDto){
        //判断设备名称是否重复
        LambdaQueryWrapper<Device> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(Device::getDeviceName,deviceDto.getDeviceName());
        if(count(queryWrapper)>0){
            throw new BaseException("设备名称已存在，请重新输入");
        }
        //检验设备标识码是否重复
        LambdaQueryWrapper<Device> queryWrapperNodeId=new LambdaQueryWrapper<>();
        queryWrapperNodeId.eq(Device::getNodeId,deviceDto.getNodeId());
        if(count(queryWrapperNodeId)>0){
            throw new BaseException("设备标识码已存在，请重新输入");
        }

        //校验同一位置是否绑定了同一类产品
        LambdaQueryWrapper<Device> condition=new LambdaQueryWrapper<>();
        condition.eq(Device::getProductKey,deviceDto.getProductKey())
                .eq(Device::getLocationType,deviceDto.getLocationType())
                .eq(Device::getPhysicalLocationType,deviceDto.getPhysicalLocationType())
                .eq(Device::getBindingLocation,deviceDto.getBindingLocation());
        if(count(condition)>0){
            throw new BaseException("该老人/位置已绑定该产品，请重新选择");
        }

        //iot中新增设备
        AddDeviceRequest request=new AddDeviceRequest();
        AddDevice body=new AddDevice();
        body.withProductId(deviceDto.getProductKey());
        body.withDeviceName(deviceDto.getDeviceName());
        body.withNodeId(deviceDto.getNodeId());
        request.withBody(body);
        AuthInfo authInfo=new AuthInfo();
        //秘钥
        String secret=UUID.randomUUID().toString().replaceAll("-","");
        authInfo.withSecret(secret);
        body.setAuthInfo(authInfo);
        AddDeviceResponse response;
        try{
            response=client.addDevice(request);
        }catch(Exception e){
            e.printStackTrace();
            throw new BaseException("物联网接口 - 注册设备，调用失败");
        }

        //设备数据保存到数据库
        //属性拷贝
        Device device=BeanUtil.toBean(deviceDto,Device.class);
        //设备id、设备绑定状态
        device.setIotId(response.getDeviceId());
        //秘钥
        device.setSecret(secret);

        //在数据库中新增设备
        try{
            save(device);
        }catch(Exception e){
            throw new BaseException("同一个位置不能绑定同类型的产品");
        }
    }

    /**
     * 查询设备详情
     *
     * @return
     */
    @Override
    public DeviceDetailVo queryDeviceDetail(String iotId){
        //查询数据库
        Device device=getOne(Wrappers.<Device>lambdaQuery().eq(Device::getIotId,iotId));
        if(ObjectUtil.isEmpty(device)){
            return null;
        }

        //调用华为云物联网接口
        ShowDeviceRequest request=new ShowDeviceRequest();
        request.setDeviceId(iotId);
        ShowDeviceResponse response;
        try{
            response=client.showDevice(request);
        }catch(Exception e){
            log.info("物联网接口 - 查询设备详情，调用失败:{}",e.getMessage());
            throw new BaseException("物联网接口 - 查询设备详情，调用失败");
        }

        //属性拷贝
        DeviceDetailVo deviceVo=BeanUtil.toBean(device,DeviceDetailVo.class);

        deviceVo.setDeviceStatus(response.getStatus());
        String activeTimeStr=response.getActiveTime();
        if(StringUtils.isNotEmpty(activeTimeStr)){
            LocalDateTime activeTime=LocalDateTimeUtil.parse(activeTimeStr,DatePattern.UTC_MS_PATTERN);
            //日期时区转换
            activeTime=activeTime.atZone(ZoneId.from(ZoneOffset.UTC))
                    .withZoneSameInstant(ZoneId.of("Asia/Shanghai"))
                    .toLocalDateTime();
            deviceVo.setActiveTime(activeTime);
        }

        return deviceVo;
    }


    /**
     * 查询设备上报数据
     *
     * @param iotId
     * @return
     */
    @Override
    public AjaxResult queryServiceProperties(String iotId){

        ShowDeviceShadowRequest request=new ShowDeviceShadowRequest();
        request.setDeviceId(iotId);
        ShowDeviceShadowResponse response=client.showDeviceShadow(request);
        if(response.getHttpStatusCode()!=200){
            throw new BaseException("物联网接口 - 查询设备上报数据，调用失败");
        }
        List<DeviceShadowData> shadow=response.getShadow();
        if(CollUtil.isEmpty(shadow)){
            List<Object> emptyList=Collections.emptyList();
            return AjaxResult.success(emptyList);
        }
        //返回数据
        JSONObject jsonObject=JSONUtil.parseObj(shadow.get(0).getReported().getProperties());

        List<Map<String, Object>>list=new ArrayList<>();

        //处理上报时间日期
        LocalDateTime activeTime=LocalDateTimeUtil.parse(shadow.get(0).getReported().getEventTime(),"yyyyMMdd'T'HHmmss'Z'");
        //日期时区转换
        LocalDateTime eventTime=activeTime.atZone(ZoneId.from(ZoneOffset.UTC))
                .withZoneSameInstant(ZoneId.of("Asia/Shanghai"))
                .toLocalDateTime();

        jsonObject.forEach((k,v)->{
            Map<String, Object> map=new HashMap<>();
            map.put("functionId",k);
            map.put("value",v);
            map.put("eventTime",eventTime);
            list.add(map);
        });

        return AjaxResult.success(list);

    }
}
